Cleanup: Remove wstring methods from base::Pickle.

base/pickle.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_PICKLE_H__
 #define BASE_PICKLE_H__
 
 #include <string>
 
 #include "base/base_export.h"
@@ skipping 24 matching lines @@
   bool ReadUInt16(uint16* result) WARN_UNUSED_RESULT;
   bool ReadUInt32(uint32* result) WARN_UNUSED_RESULT;
   bool ReadInt64(int64* result) WARN_UNUSED_RESULT;
   bool ReadUInt64(uint64* result) WARN_UNUSED_RESULT;
   bool ReadSizeT(size_t* result) WARN_UNUSED_RESULT;
   bool ReadFloat(float* result) WARN_UNUSED_RESULT;
   bool ReadDouble(double* result) WARN_UNUSED_RESULT;
   bool ReadString(std::string* result) WARN_UNUSED_RESULT;
   // The StringPiece data will only be valid for the lifetime of the message.
   bool ReadStringPiece(base::StringPiece* result) WARN_UNUSED_RESULT;
-  bool ReadWString(std::wstring* result) WARN_UNUSED_RESULT;
   bool ReadString16(base::string16* result) WARN_UNUSED_RESULT;
   // The StringPiece16 data will only be valid for the lifetime of the message.
   bool ReadStringPiece16(base::StringPiece16* result) WARN_UNUSED_RESULT;
 
   // A pointer to the data will be placed in |*data|, and the length will be
   // placed in |*length|. The pointer placed into |*data| points into the
   // message's buffer so it will be scoped to the lifetime of the message (or
   // until the message data is mutated). Do not keep the pointer around!
   bool ReadData(const char** data, int* length) WARN_UNUSED_RESULT;
 
@@ skipping 138 matching lines @@
     // 32-bit and 64-bit processes.
     return WritePOD(static_cast<uint64>(value));
   }
   bool WriteFloat(float value) {
     return WritePOD(value);
   }
   bool WriteDouble(double value) {
     return WritePOD(value);
   }
   bool WriteString(const base::StringPiece& value);
-  bool WriteWString(const std::wstring& value);
   bool WriteString16(const base::StringPiece16& value);
   // "Data" is a blob with a length. When you read it out you will be given the
   // length. See also WriteBytes.
   bool WriteData(const char* data, int length);
   // "Bytes" is a blob with no length. The caller must specify the length both
   // when reading and writing. It is normally used to serialize PoD types of a
   // known size. See also WriteData.
   bool WriteBytes(const void* data, int length);
 
   // Reserves space for upcoming writes when multiple writes will be made and
@@ skipping 85 matching lines @@
   }
   inline void WriteBytesCommon(const void* data, size_t length);
 
   FRIEND_TEST_ALL_PREFIXES(PickleTest, Resize);
   FRIEND_TEST_ALL_PREFIXES(PickleTest, FindNext);
   FRIEND_TEST_ALL_PREFIXES(PickleTest, FindNextWithIncompleteHeader);
   FRIEND_TEST_ALL_PREFIXES(PickleTest, FindNextOverflow);
 };
 
 #endif  // BASE_PICKLE_H__